In order for the reaction 12 + 2 HCI --> 2 HI + Cl2 to occur,
which of the following must be true?
A solid must be formed.
O Iodine must be above Chlorine on the activity series.
O Iodine must be above Hydrogen on the activity series.
O Hydrogen must be above Chlorine on the activity series.
Answers: 2
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Consider the reaction: 2al(s) + fe2o3(s) → al2o3(s) + 2fe(s) the δhf for fe2o3(s) = -824.3 kj/mole. the δhf for al2o3(s) = -1675.7 kj/mole. finish the equation. δhrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]
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The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following? a. that atoms are indivisible b. that atoms are very small c. that atoms are very large d. that in a copper penny, there is one atom for every person on earth
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In order for the reaction 12 + 2 HCI --> 2 HI + Cl2 to occur,
which of the following must be tru...
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